From: Ville Syrjälä <ville.syrj...@linux.intel.com>

We have definitions and low level code for everything except the gamut
metadata HDMI packet. Add the missing bits.

Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h   |  4 +++-
 drivers/gpu/drm/i915/intel_hdmi.c | 12 ++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 4948b352bf4c..c07fd394ca1d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4577,6 +4577,7 @@ enum {
 #define   VIDEO_DIP_ENABLE_SPD         (8 << 21)
 #define   VIDEO_DIP_SELECT_AVI         (0 << 19)
 #define   VIDEO_DIP_SELECT_VENDOR      (1 << 19)
+#define   VIDEO_DIP_SELECT_GAMUT       (2 << 19)
 #define   VIDEO_DIP_SELECT_SPD         (3 << 19)
 #define   VIDEO_DIP_SELECT_MASK                (3 << 19)
 #define   VIDEO_DIP_FREQ_ONCE          (0 << 16)
@@ -7948,10 +7949,11 @@ enum {
 #define _ICL_VIDEO_DIP_PPS_ECC_B       0x613D4
 
 #define HSW_TVIDEO_DIP_CTL(trans)              _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_CTL_A)
+#define HSW_TVIDEO_DIP_GCP(trans)              _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_GCP_A)
 #define HSW_TVIDEO_DIP_AVI_DATA(trans, i)      _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_AVI_DATA_A + (i) * 4)
 #define HSW_TVIDEO_DIP_VS_DATA(trans, i)       _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_VS_DATA_A + (i) * 4)
 #define HSW_TVIDEO_DIP_SPD_DATA(trans, i)      _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_SPD_DATA_A + (i) * 4)
-#define HSW_TVIDEO_DIP_GCP(trans)              _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_GCP_A)
+#define HSW_TVIDEO_DIP_GMP_DATA(trans, i)      _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_GMP_DATA_A + (i) * 4)
 #define HSW_TVIDEO_DIP_VSC_DATA(trans, i)      _MMIO_TRANS2(trans, 
_HSW_VIDEO_DIP_VSC_DATA_A + (i) * 4)
 #define ICL_VIDEO_DIP_PPS_DATA(trans, i)       _MMIO_TRANS2(trans, 
_ICL_VIDEO_DIP_PPS_DATA_A + (i) * 4)
 #define ICL_VIDEO_DIP_PPS_ECC(trans, i)                _MMIO_TRANS2(trans, 
_ICL_VIDEO_DIP_PPS_ECC_A + (i) * 4)
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c 
b/drivers/gpu/drm/i915/intel_hdmi.c
index 454f570275e9..c3c2a638d062 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -83,6 +83,8 @@ static struct intel_hdmi *intel_attached_hdmi(struct 
drm_connector *connector)
 static u32 g4x_infoframe_index(unsigned int type)
 {
        switch (type) {
+       case HDMI_PACKET_TYPE_GAMUT_METADATA:
+               return VIDEO_DIP_SELECT_GAMUT;
        case HDMI_INFOFRAME_TYPE_AVI:
                return VIDEO_DIP_SELECT_AVI;
        case HDMI_INFOFRAME_TYPE_SPD:
@@ -98,6 +100,10 @@ static u32 g4x_infoframe_index(unsigned int type)
 static u32 g4x_infoframe_enable(unsigned int type)
 {
        switch (type) {
+       case HDMI_PACKET_TYPE_GENERAL_CONTROL:
+               return VIDEO_DIP_ENABLE_GCP;
+       case HDMI_PACKET_TYPE_GAMUT_METADATA:
+               return VIDEO_DIP_ENABLE_GAMUT;
        case HDMI_INFOFRAME_TYPE_AVI:
                return VIDEO_DIP_ENABLE_AVI;
        case HDMI_INFOFRAME_TYPE_SPD:
@@ -113,6 +119,10 @@ static u32 g4x_infoframe_enable(unsigned int type)
 static u32 hsw_infoframe_enable(unsigned int type)
 {
        switch (type) {
+       case HDMI_PACKET_TYPE_GENERAL_CONTROL:
+               return VIDEO_DIP_ENABLE_GCP_HSW;
+       case HDMI_PACKET_TYPE_GAMUT_METADATA:
+               return VIDEO_DIP_ENABLE_GMP_HSW;
        case DP_SDP_VSC:
                return VIDEO_DIP_ENABLE_VSC_HSW;
        case HDMI_INFOFRAME_TYPE_AVI:
@@ -134,6 +144,8 @@ hsw_dip_data_reg(struct drm_i915_private *dev_priv,
                 int i)
 {
        switch (type) {
+       case HDMI_PACKET_TYPE_GAMUT_METADATA:
+               return HSW_TVIDEO_DIP_GMP_DATA(cpu_transcoder, i);
        case DP_SDP_VSC:
                return HSW_TVIDEO_DIP_VSC_DATA(cpu_transcoder, i);
        case HDMI_INFOFRAME_TYPE_AVI:
-- 
2.16.4

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